Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
  • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
  • A61F5/56—Devices for preventing snoring
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
  • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
  • A61F5/56—Devices for preventing snoring
  • A61F5/566—Intra-oral devices
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
  • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
  • A61F5/56—Devices for preventing snoring
  • A61F2005/563—Anti-bruxisme

Definitions

• the present invention relates to a device for treating and / or relieving obstructive breathing disorders of sleep.
• Obstructive sleep disorders such as Obstructive Sleep Apnea Hypopnea Syndromes (OSAHS) are defined by the occurrence during sleep of complete or partial obstruction of the upper airways. These phenomena are responsible for interruptions, ie apneas, or drops, ie hypopneas, ventilation, with the visible consequences of snoring, alterations of sleep or daytime sleepiness.
• OSAHS Obstructive Sleep Apnea Hypopnea Syndromes
• obstructive breathing disorders are also common. It is estimated that 2 to 10% of the pediatric population suffer from such disorders. They result in various problems, such as growth problems, hyperactivity problems, concentration problems or disorders of the maxillary and facial development.
• the origin of these phenomena lies in a collapse of the pharynx, that is to say a closure of the upper airways to the inspiration. Collapse can have different origins and may be related, for example, to a too large uvula, a too thick soft palate, or a bad position of the base of the tongue. Another common cause of these phenomena is related to a disorder of the anteroposterior growth of the mandible. In fact, the relative position of the upper and lower jaws with respect to each other thus plays a considerable role in the pharyngeal diameter.
• CPAP continuous positive airway pressure
• This advancement allows the release of the pharynx and thus allows a correct ventilation of the subject.
• a force exerted in a clockwise direction within the meaning of the invention is a force directed towards the front and the bottom of the face seen from its right profile. Exercising the forces from an intraoral point limits the choice of these. However, it may be desirable to exert forces in a counterclockwise direction or to be able to vary these forces in the same patient during treatment. Similarly, in children, it would be desirable to have a device for both expansion and advancement of the maxilla.
• ventral decubitus is indicated in patients suffering from obstructive breathing disorders of sleep to improve the flow of air during ventilation. This position makes it possible to open the aero-digestive junction by advancing the language.
• the object of the invention is to provide a device for treating and / or relieving obstructive breathing disorders of sleep:
• the invention relates to a device for treating and / or relieving obstructive breathing disorders of a patient that is characterized in that it comprises:
• a support for the body of a patient whose frame comprises a support for the patient's head, a seat and a support for the rib cage which are mounted on the frame so that when the patient takes place and sits on said support and positions its head against the support for the head, its bust is kept inclined forwards at an angle ⁇ , vertical to the ground, less than 90 °,
• an apparatus for mandibular advancement composed of an extra-oral means of anchoring to the mandible and / or an intraoral means of anchoring to the mandible
• an upper maxillary advancement device composed of an intra-oral means of anchoring to the maxilla
• fixing means on said support for the head, of one or more means provided for exerting one or more predetermined forces on the mandible and / or the upper jaw via the mandibular advancement device; and or the advancement device of the maxilla.
• the treatment and / or the relief of obstructive breathing disorders of sleep include the prevention and / or treatment of disorders of development of the maxillary and mandible in children and, in particular, the activation of and the reorientation of growth of the maxilla and mandible.
• the forces to be applied on the mandible and / or the maxilla are generated from extra-oral points present on the support for the head of the support for the body and therefore from the external environment of the body. patient's face.
• the support for the head offers a large choice as to the positions of the fastening means of the means exerting forces.
• the determination of the forces is thus not limited by the restricted oral space of the patient.
• the forces can be exerted in any predetermined direction.
• the forces are transmitted to the mandible and / or the upper jaw through the mandibular advancement and / or maxillary advancement devices.
• the device according to the invention also makes it possible to combine the advantages of a support making it possible to position the patient in a position in which his upper aerial voices are the most unencumbered possible and those of the repositioning apparatus of the maxillae.
• the device according to the invention may comprise only a mandibular advancement device, only a maxillary advancement device, or both at a time, depending on the patient to be treated.
• a mandibular advancement device when it comprises a mandibular advancement device, it is composed of an intraoral means of anchoring to the mandible and an extra-oral support under mandibular, interconnected by an extra-lateral connection.
• oral featuring preferentially a hinge.
• it is usually a removable device, mandibular extra-oral support reinforcing the maintenance of the device in place.
• the presence of a hinge in this case is intended to facilitate the introduction and removal of the device.
• the means of anchoring to the mandible is composed of an extra-oral anchoring means to the mandible, preferably composed of at least one transcutaneous implant.
• This embodiment is suitable for the treatment of newborns, for example those suffering from Pierre Robin syndrome.
• the support for the head is composed of a frame comprising two first lateral branches, parallel to each other, and a bearing surface for the patient's forehead extending between said first branches lateral, said first lateral branches framing the patient's head when it takes place on said support and positions its front against the bearing surface.
• the frame usually forms an inverted U in this case.
• the lateral branches of the frame are doubled, respectively, of two second lateral branches parallel to each other, the latter being in a plane parallel to the plane containing the first lateral branches.
• the first lateral branches are in a first plane and the second lateral branches are in a plane parallel to the first.
• first lateral branches the lateral branches of the support for the head which will be in the plane intended to be closest to the patient's face
• second lateral branches the lateral branches of the support for the head which will be in the plane intended to be furthest from the patient's face, in relation to the plane of the" first branches ".
• the second lateral branches are in a plane posterior to the plane of the first branches with respect to the patient's face when the latter is placed on said support and positions its front against the surface of the patient. support.
• At least one arch connects the first lateral branches between them and / or at least one arch connects the second lateral branches together, so that the bow or hoops are facing the face said patient when he takes place on said support and positions his forehead against the bearing surface.
• the lateral branches being arranged in the environment of the temples or the profile of the patient during the use of the device, the arches extending from one side branch to the other thus surround almost the entire face of the patient. .
• the means for fixing the means provided for exerting one or more predetermined forces are arranged on at least one of the arches.
• the fastening means are arranged on the or the arches that extend between the lateral branches whose plane is farthest from the patient's face.
• the means for fixing the means provided to exert predetermined forces are movable along the arches, means for adjusting the position of said fastening means on said or said arches then being provided.
• the hoops are movably mounted along the side branches, a means for adjusting the position of said hoops between the lateral branches being then provided.
• the forehead pressed against the support provided for this purpose the arches face his face.
• the number and position of the fixing means can vary along the arches, as well as the number of arches or their position between the lateral branches, there are a large number of possibilities for attaching to the support for the head the means provided to exert forces on the mandible and / or maxilla. As a result, it is possible to apply anteroposterior, vertical, transverse forces or combinations of such forces.
• the lateral branches comprise fixed anchoring points on which said one or more arches are likely to be hung.
• the fastening means may be fixed along the arches and regularly distributed thereon.
• the first and / or second lateral branches of the support for the head are shaped so that, when the patient takes place on the support and places his forehead against the support for the forehead, at least a portion of the lateral branches frame the mandible and / or the maxilla.
• branches may have an elbow.
• the first and / or second lateral branches of the support for the head each comprise at least one means of fixing the means provided for exerting one or more forces on the mandible.
• the fastening means will make it possible to apply forces laterally to the mandible and / or to the upper jaw.
• the upper maxillary advancement apparatus comprises at least one extra-oral branch, preferably removable, projecting from the intra-oral anchoring means to the upper maxilla in front of the face of the upper jaw. patient when it carries said apparatus, at the end of which are provided one or more means of anchoring means provided to exert one or more predetermined forces on the upper jaw.
• the extraoral branch is preferably a rigid rod that extends out of the patient's oral cavity in a median horizontal plane of the maxillary advancement apparatus.
• This rod has at its end means for anchoring a means for exerting a force on the upper jaw itself attached to a fastening means present on a hoop.
• the upper maxillary advancement apparatus comprises an extra-oral limb which extends from the anchoring means to the upper maxilla and whose end forms a cross provided with means for anchoring the upper limbs.
• means provided for exerting one or more forces on the upper jaw.
• the advancement device of the upper maxilla has two extra-oral branches each forming an arc projecting from the anchoring means to the upper maxilla out of the oral cavity of the patient, when the It carries said apparatus, in the direction of the posterior part of the patient's head, the branches each comprising at least one anchoring means means provided to exert one or more forces on the upper jaw.
• the extra-oral branches each follow a profile of the patient's face.
• the means provided for exerting forces on the upper jaw will be attached to the portions of the lateral branches which frame the upper jaw. In this case, it will be possible to apply forces laterally to the maxilla.
• the means provided for exerting one or more predetermined forces on the upper maxillary are preferably orthodontic elastics.
• the elastics commonly used in orthodontics are perfectly suitable.
• the means provided for exerting forces on the upper jaw comprise force breakers.
• the mandibular advancement device comprises at least one extra-oral branch, projecting from the intra-oral anchoring means to the mandible, or from the extra-oral connection, before the face of the patient when the latter carries said apparatus, at the end of which are provided one or more means of anchoring means provided to exert one or more predetermined forces on the mandible.
• the extra-oral limb is preferably a rigid rod that extends out of the patient's oral cavity in a median horizontal plane of the mandibular advancement apparatus.
• This rod has at its end means for anchoring a means for exerting a force on the mandible, itself attached to a fastening means present on a bow.
• the mandibular advancement apparatus comprises two extra-oral branches each forming an arch extending from the anchoring means to the mandible or from the extra-oral connection towards the posterior part.
• said apparatus, or the patient's head when the latter carries the apparatus said branches each comprising at least one anchoring means means provided to exert one or more forces on the mandible.
• the extra-oral branches each follow a profile of the patient's face.
• the means provided for exerting forces on the mandible will be attached to the portions of the lateral branches which frame the mandible. In this case, it will be possible to apply forces laterally to the mandible.
• the mandibular advancement device comprises at least two means for anchoring the means provided to exert one or more predetermined forces on the mandible, arranged on the mandibular extra-oral support in its posterior part, respectively, on either side of the vertical plane of symmetry of said mandibular extra-oral support.
• the mandibular advancement device comprises both at least two of these anchoring means disposed on the extra-oral support and at least one anchoring means disposed at the end of the extra limb. -orale.
• the position of these anchoring points of the means exerting forces on the one hand in front of the face and, on the other hand, in the vicinity of the lateral faces of the mandible makes it possible to apply combinations of anteroposterior, vertical and lateral forces.
• the one or more fastening means of the means or means provided for exerting one or more forces on the mandible and / or the upper jaw are arranged on the or the arches extending between the second limbs. side of said support for the head, that is to say the side branches intended to be furthest from the patient's face.
• the means provided for exerting one or more forces on the mandible are chosen from elastic means such as orthodontic elastics and / or non-elastic means such as threaded rods, telescopic rods, chains, hooks with anchor rings.
• the elastic means being essentially the means intended to be anchored on the mandibular extra-oral support and the non-elastic means being essentially the means intended to be anchored on the extra-oral branch of the mandibular advancement apparatus.
• the means provided for exerting forces on the mandible comprise force interrupters.
• the means provided for exerting one or more forces on the mandible and / or the upper jaw comprise, in addition, means forming a stop against the extra-oral limb or branches of the jaw. mandibular advancement device and / or upper jaw advancement device.
• said means forming a stop is constituted by a hoop extending between said first lateral branches of said support for the head, that is to say the side branches intended to be closest to the patient's face.
• the stop then forms a pivot and makes it possible to obtain a moment of force so as to cause a rotation of the mandible and / or the upper jaw around the axis of the pivot when the forces exerted by the means provided are not horizontal. It is therefore possible to obtain a clockwise or anti-clockwise rotation of the mandible and / or the maxilla.
• the intraoral means of anchoring to the mandible and / or the intraoral means of anchoring to the maxilla are composed of a gutter, or one or more hemi gutters, intended to be anchored removably or not on the mandible and / maxillary upper, preferably on the teeth.
• the intraoral upper maxillary anchoring means is composed of orthodontic brackets glued to the teeth.
• the device further comprises a support for the legs, for example designed to keep them bent, and / or an adjustable support for the arms so that the arms are positioned at level or above the patient's heart.
• the angle formed between the bust of the patient and the vertical to the ground is between 30 and 55 °, preferably between 40 and 50 °, more preferably between 45 and 48 °.
• the seat, the support for the head, the support for the arms and the support for the legs are mounted on the axes that includes the frame.
• the frame comprises means for adjusting the respective heights of the seat, the support for the arms and the support for the legs relative to the ground or relative to each other.
• the support for the head comprising the means for fixing the means exerting the forces on the mandible and / or the maxillary, it is preferable that it is mounted removably on the frame of the support for the body so that the patient can take it with him in consultation with the practitioner responsible for determining the forces to be applied, that is to say, to determine the position of the fastening means on the support for the head.
• the support for the head is mounted on the frame in the extension of the support for the rib cage.
• the support for the head comprises at least one axis of rotation of the frame.
• the invention also relates to a device as described above for its use in the treatment and / or the relief of obstructive sleep disorders and a method of treatment and / or the relief of obstructive sleep disorders with the aid of a device as described above.
• the invention relates to a method of treatment in which a device according to the invention is used to obtain an advance of the maxilla and / or the mandible and a palatal expansion.
• Treatment and relief of obstructive sleep disorders include in the child activation and / or reorientation of growth of the maxilla and mandible.
• Fig. 1 is a side view of a device for treating and / or relieving obstructive breathing disorders of a patient's sleep according to a first embodiment of the invention
• Fig. 2 is a three-quarter front view of a support for the head of a device for treating and / or relieving obstructive breathing disorders of a patient's sleep according to a second embodiment
• Fig. 3 is a diagrammatic representation of a three-quarter front view of a head support of a device for treating and / or relieving obstructive breathing disorders of a patient according to the second embodiment
• Fig. 4 is a front view of a support for the head of a device for treating and / or relieving obstructive breathing disorders of a patient's sleep according to one embodiment
• Fig. 5 is a front view of a support for the head of a device for treating and / or relieving obstructive breathing disorders of a patient's sleep according to another embodiment
• Fig. 6 is a schematic representation of a profile of a mandibular advancement apparatus, a maxillary advancement apparatus and means for exerting forces on the mandible and upper jaw according to an embodiment of the invention.
• Fig. 7 is a schematic top view of a mandibular advancement apparatus and means for exerting forces on the mandible according to one embodiment of the invention
• Figs. 8A, B, C are diagrammatic views from above of mandibular advancement apparatus according to various embodiments of the invention.
• Fig. 9 is a diagrammatic representation seen from above of an advancing device of the upper jaw as well as means provided for exerting forces on the upper jaw according to one embodiment of the invention.
• Figs. 10A and 10B are diagrammatic views from above of upper maxillary advancement apparatuses according to various embodiments of the invention
• Fig. 11 is a diagrammatic representation of the forces exerted on the upper jaw and the mandible in the embodiment illustrated with reference to FIG. 6 and,
• Fig. 12 is a schematic representation of the forces exerted on the upper jaw and the mandible according to a variant of the invention.
• FIG. 1 shows a device D for treating and / or relieving obstructive breathing disorders of sleep.
• the device D is composed of a support 1 for the patient's body P, a mandibular advancement device 2, an advancement device of the upper maxilla 3, said devices being carried by the patient P.
• the support 1 is intended to support the body of the patient P in a position close to the prone position or a position in which the upper airway is as open as possible.
• the patient P installed on the device D, carries the mandibular advancement device 2.
• the latter is removably connected to the support 1 by means provided to exert forces on the mandible 6.
• the patient carries the advancement device of the upper maxilla 3 also removably connected to the support 1 by means provided for exerting forces on the upper maxillary 7.
• the forces provided to cause a displacement of the mandible and the maxillary are exerted from the support 1.
• the support 1 is composed of a frame 100 on which are mounted a support 110 for the patient's head, a seat 130, a support for the rib cage 140, a support for resting the arms 150 and a support for resting the legs 160
• Each of these elements is mounted on an axis of rotation that includes the frame 100 so as to allow adjustment of each of the elements of the support 1 according to the patient's template P and the position in which it is desirable to install it .
• the patient P sits on the support 1, the head positioned against the support for the head 110, and the bust is held inclined forwards at an angle ⁇ , at the vertical to the ground, less than 90 °, for example, at an angle close to 45 °.
• the frame 100 thus comprises means for adjusting the rotation of the seat 130, the support for the rib cage 140, the support for resting the legs 160 and the support for resting the arms 150.
• These means are composed, for example, of spacers 170, 171, 172, 173 having for example holes, such as the hole 175 and locking means, such as a rod 176 to be inserted into one of the holes or handles such as the handle 178.
• Any other means known to those skilled in the art for the rotation of the elements 130 , 140, 150, 160 of the support 1 and their locking / unlocking can of course be suitable. Such means are well known to those skilled in the art.
• the support for the head 110 is also mounted on the frame 100 about an axis of rotation using, for example, a set of ball and brake discs 174 or with the aid of a spacer. It is indeed important that the support for the head can rotate according to the physiognomy of patient P.
• the seat 130, the support for the head 110, the support for the rib cage 140 and the support for resting the arms 150 are further removably mounted on the frame 100 via, for example, sliding tubes.
• Locking means are provided, such as rods 186 provided to be housed in one of the holes 187.
• the support for the head 110 is composed of a frame 111 having two lateral branches parallel to each other, the lateral branch 1 12 visible in FIG. 1.
• a bearing surface 114 at least for the patient's forehead extends between these lateral branches. It may be a more or less thick fabric or a cushion receiving the forehead or a thong.
• the bearing surface 114 can slide vertically between the side branches 112, 113 so as to adjust its position depending on the size of the patient. It could still be movable in a vertical direction relative to the branches 112, 113.
• a support for the head 110 according to a second embodiment of the invention is further illustrated in connection with FIGS. 2 and 3.
• the support for the head 1 10 consists of a frame January 1 having two first lateral branches parallel to each other 112, 113 and two second lateral branches 112 bis, 113 bis parallel to each other.
• the side branches 1 12 bis and 1 13 bis are opposite with the side branches 112 and 113, respectively.
• the branches 112a, 113a are thus in a plane which is parallel to the plane of the branches 112, 113 and which is posterior to the plane of the lateral branches 112, 113 with respect to the face of the patient P, that is to say further from the face .
• the branches have an elbow and extend from the top of the patient's head P to the front of the face (Fig. 1) or to the back (Fig. 2, Fig. 3).
• at least a portion of the lateral branches 112, 113, and / or 1 12 bis, 113 bis surround the mandible and the upper jaw.
• the support for the head 110 comprises a lower portion 123, advantageously Y-shaped, designed to be removably mounted on the frame 100 of the support 1 in the extension of the support for the rib cage 140, for example using a set of perforated sliding tubes 182, 183 as previously described.
• the frame 1 1 1 is slidably mounted on the lower portion 123 so as to be movable in the anteroposterior direction relative to the position of the patient's head.
• Means allow sliding, such as nuts 124 inside which are threaded the branches 112, 113.
• Butterfly screws screwed into the nuts allow the locking of the position of the frame 111 on the lower part 123.
• An occipital support 125 is further provided to support the lower portion of the patient's head. It is composed of two arms 125a, 125b respectively connected to the lateral branches 112, 113.
• arches 115, 116 connecting one arm 112 to the other 113 and perpendicular thereto (Fig 1, Fig 2, Fig 3).
• hoops 115 bis, 116 bis connect the branches 112 bis and 113 bis (Fig 2, Fig 3).
• the arches face the patient's face P and surround almost all of it.
• the hoops 115 bis, 116 bis are behind the hoops 115, 116 relative to the face.
• the support for the head 1 10 according to the second embodiment is shown in more detail in Figs. 4 and 5.
• the arches 115 bis, 116 bis which connect the branches 112 bis, 113 bis comprise fixing means 117 for fixing means provided to exert forces on the mandible and / or the maxillary upper 6 and 7, respectively .
• These fastening means 1 17 are, for example, hooks.
• 115 bis or 116 bis allows the means 117 to be moved along this hoop. It may, for example, be a set of nuts 118a and butterfly screws 118b, the nut 118a supporting the fixing means 117, the butterfly screw 118b being screwable into the nut 118a so as to lock the displacement of the fixing means 117.
• the hoops 115 bis, 116 bis are preferably slidably mounted along at least a portion of the side branches 112 bis, 113 bis.
• Adjusting means 119 of their position on the branches 112a, 113a are also provided, for example, of the nut / butterfly screw type. These means 119 may also allow the displacement of the hoops 1 15 bis and 1 16 bis in a vertical direction relative to the side branches 112 bis, 113 bis.
• the fixing means 117 are fixed but regularly distributed along the arches 115 bis, 116 bis.
• the hoops 115 bis, 116 bis can be fixed along the branches 112 bis, 1 13 bis.
• various anchor points 120 will be provided along the branches, such as hooks or any equivalent means, using loops 121.
• the fixing of the hoops 115 and 116 along the lateral branches 112 and 113 is carried out using means identical to those described for the hoops 115 bis and
• the number of hoops between the branches 112 bis, 113 bis and 112, 113 is variable, they can be removed or put in place easily using appropriate means. Generally a hoop 115 bis mounted between the side branches 112 bis, 113 bis and a hoop 115 mounted between the lateral branches 112, 113 will be used during the treatment applied to the mandible of the patient. Similarly, a hoop 1 16 bis mounted between the side branches 112 bis, 113 bis and a hoop 116 mounted between the lateral branches 112, 113 will be used during the treatment applied to the maxillary upper.
• Fastening means 117 means provided to exert forces on the mandible 6 and / or the maxillary upper 7 may be present also on the parts of the branches 112 bis, 113 bis which frame the mandible and / or the maxillary upper.
• the mandibular advancement device 2 of the device D is composed of an intra-oral means 200 for anchoring to the mandible MD and an extra-oral support under mandibular 201, interconnected by an extra-oral connection 202 (Fig. 6).
• the intralateral anchoring means 200 to the mandible MD is typically a gutter, or two semi-gutters, thermoformed able to be anchored not definitively on the teeth d, or on the gums.
• the mandibular extra-oral support 201, or chin rest is provided to receive the chin and / or mandibular rim of the patient P.
• the intraoral means 200 and the extraoral support 201 are interconnected by a rigid extra-oral link 202, or semi-rigid, having a hinge 203.
• the hinge 203 facilitates the introduction of the mandibular advancement device 2 on the patient.
• At least one extra-oral branch 204 extends from the extraoral connection 202 in a horizontal plane to the mandibular advancement device, out of the patient's oral cavity, in front of the face, in the direction of the arch 1 15 bis which extends between the branches 112 bis and 113 bis.
• An anchoring means 205a such as a hook, is provided at the end of the extra-oral limb 204 to fix a means intended to exert a force on the mandible 61. This is also fixed on the hoop 115 bis through a fastening means 117a.
• the force Fmd exerted on the mandible by the means 61 is here an oblique force directed towards the front of the face, that is to say in a postero-anterior direction, and upwards.
• the means provided for exerting a force on the mandible further comprise the arch 115. Indeed, it abuts against the extra-oral branch 204, above it, and then exerts a vertical force fmd down on this one (Fig. 6).
• the forces exerted on the mandible in the embodiment illustrated in FIG. 6 are illustrated in more detail in FIG. 11.
• the combination of the Fmd force (oblique forwards and upwards) exerted by the means intended to exert forces and the fmd force exerted by the hoop 115 (vertical downwards) makes it possible to obtain a clockwise rotation R of the mandible as well as a translation towards the front.
• the hoop 115 forming an abutment indeed creates an axis of rotation, as shown in the figure.
• the means provided for exerting force on the mandible 61 through the extraoral branch 204 is a non-elastic means. It may be an adjustable length means such as a threaded rod 61 screwed into a threaded tube 61b.
• the means 61 is provided with loops at its ends to allow its attachment to the anchoring means 205 and the fastening means 117 constituted by hooks (FIG 6).
• a means for exerting a force on the mandible 6 could also be in the form of a hook provided at its ends with rings. Such hooks are commonly used in the field of orthodontics and come in different sizes. Force interrupters (not shown) are preferably provided.
• the extraoral branch 204 may itself be adjustable in length, for example, by means of a set of threads / threaded tubes.
• Anchoring means 205b, 205c, 205d, 205e are still provided on the mandibular extra-oral support 201, for example, in its posterior part on either side of the vertical plane of symmetry V of the apparatus 2 (Figs 7 and 8).
• the anchoring means 205b, 205d, 205c, 205e make it possible to anchor on the sub-mandibular support 201 means provided to exert a force on the mandible 6, such as the means 62 and 63, which are also attached to fixing means 117b, 117d and 117c, 117e present on the side branches 112a, 113a, respectively, of the support for the head 110.
• the forces exerted by the means 62 and 63 are here oblique tensile forces directed towards the bottom and the front.
• the means provided for exerting one or more forces on the mandible 62, 63 via the mandibular support 201 are elastic means. These are still elastics commonly used in orthodontics.
• the force Fmd exerted on the mandible by the means 61 may alternatively be a force directed rearward (anteroposterior direction) and downwards (FIG 12).
• the force fmd exerted by the arch 115 is in this case a vertical upward force, the latter being pressed on the extra-oral branch 204 via the underside of it. This produces a counterclockwise rotation R and a translation in the anteroposterior direction of the mandible.
• the mandibular advancement apparatus 2 includes an extraoral branch 204 whose end forms a cross (Fig. 8A).
• an extraoral branch 204 whose end forms a cross (Fig. 8A).
• the maxillary advancement device 3 of the device D is composed of an intra-oral anchoring means 300 upper maxillary MS, formed for example by two thermo formed half-gutters 301, 302 adapted to be anchored to the teeth d, or on the gums, and interconnected by an intraoral bow 303 (Fig. 6, Fig. 9, Fig. 10) or by a jack 308.
• At least one extraoral branch 304 extends from the intraoral artery 303, in the horizontal plane H 'of the apparatus 3, in front of the face, out of the oral cavity of the patient, of which only the teeth are shown in FIG. 6 so as not to impair the clarity of the figure, in the direction for example of a hoop 116 bis.
• the extraoral branch 304 is removably attached to the intraoral means 300, for example, through the arch 303 (see Figs 9 and 10).
• the intraoral means 300 is preferably stuck on the teeth.
• gutters 306, 307 are attached to the half-gutters 301, 302 in which the ends of the intraoral arch 303 can be slid (Fig. 6).
• Anchoring means such as the means 305a, means provided for exerting one or more forces on the upper maxillary 7 are provided at the end of the extra-oral branch 304 (Fig.).
• the means provided for exerting one or more forces on the upper maxilla 7, such as the means 71, include elastic means, preferably provided with force breakers (not shown). Such elastics are commonly used in orthodontics.
• the means provided for exerting a force on the maxillary 71 is fixed on the one hand, by means of anchor 305a at the end of the extra-oral limb 304 and, on the other hand, by means of attachment 117f of the arch 116 bis.
• the force Fmx exerted on the upper jaw by means 71 is here an oblique force directed towards the front of the face, ie postero-anterior, and upwards.
• the means 7 provided for exerting a force on the upper jawbone further comprise the arch 116. Indeed, the latter forms a stop against the extra-oral limb 304 and exerts a vertical force fmx downwardly thereon (FIG. 6).
• the forces exerted on the upper jaw are further illustrated in FIG. 11.
• the combination of the force Fmx exerted by the means provided for exerting forces 71 (oblique upwards and forwards) and the force fmx exerted by the hoop 116 (vertical downwards) makes it possible to obtain a R rotation of the upper maxillary and a translation forward.
• the hoop 1 16 forming an abutment indeed creates an axis of rotation, as shown in FIG. 11.
• the force Fmx exerted on the upper jaw MS by the means 71 can alternatively be a force directed towards the rear (anteroposterior direction) and downwards.
• the hoop 116 in this case bears on the extra-oral branch 304 via the underside of the latter and exerts a vertical upward force fmx (FIG 12). We then obtain a counterclockwise rotation and a translation in the anteroposterior direction.
• a jack 308 between the gutters or hemi-gutters 301, 302 allows to obtain together with the advancement of the upper maxillary, an expansion of the palate. Any other means that a jack known to cause palatal expansion can of course be used.
• the advancement apparatus of the upper maxilla 3 comprises an extra-oral branch 304 whose end forms a cross (Figs 9 and 10B) and / or two extra-oral branches 304b, 304c which each form a arc extending from the intraoral means 300 towards the posterior portion of the apparatus 3 (Fig. 10A).
• Extraoral branches 304a, 304b, 304c each comprise at least one anchoring means 305a, 305b, 305c means provided to exert one or more forces on the upper jaw, such as an elastic means 71.
• the advancement device of the upper maxilla 3 comprises two extraoral branches 304a, 304b each forming an arc extending towards the posterior part
• the means provided for exerting forces on the upper jaw such as the means 72, 73 are fixed on the one hand, to the anchoring means 305 (such as the means 305e and 305d) of the branches 304b, 304c and, on the other hand, to the fixing means 117 (such as the means 117i and 117j) side branches 112a, 113a.
• the positions of the fixing means 1 17 are variable and adjustable along the arches 115, 116 and / or side branches 112, 113 and the arches 115, 116 can be fixed at different locations on the branches 112, 113, it is possible to determine with precision the directions of the forces to be exerted on the upper jaw.
• the fastening means 1 17 and the anchoring means 205 for fixing the means provided to exert forces on the mandible 6 may still, instead of hooks, be in the form of nuts.
• the means provided for exerting forces on the mandible 6 have at their ends threaded rods.

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• 2011
  • 2011-05-13 FR FR1154149A patent/FR2974998B1/fr active Active
• 2012
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